chromeos: Convert system tray session length limit to mojo

ash/system/tray/system_tray_notifier.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_SYSTEM_TRAY_SYSTEM_TRAY_NOTIFIER_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_NOTIFIER_H_
 
 #include <string>
 
 #include "ash/accessibility_types.h"
@@ skipping 10 matching lines @@
 class BluetoothObserver;
 class ClockObserver;
 class EnterpriseDomainObserver;
 class IMEObserver;
 class LastWindowClosedObserver;
 class LogoutButtonObserver;
 class NetworkObserver;
 class NetworkPortalDetectorObserver;
 class ScreenCaptureObserver;
 class ScreenShareObserver;
-class SessionLengthLimitObserver;
 class StatusAreaFocusObserver;
 class TracingObserver;
 class VirtualKeyboardObserver;
 
 namespace mojom {
 enum class UpdateSeverity;
 }
 
 // Observer and notification manager for the ash system tray.
 class ASH_EXPORT SystemTrayNotifier {
@@ skipping 62 matching lines @@
                                 const base::string16& sharing_app_name);
   void NotifyScreenCaptureStop();
 
   // Screen share.
   void AddScreenShareObserver(ScreenShareObserver* observer);
   void RemoveScreenShareObserver(ScreenShareObserver* observer);
   void NotifyScreenShareStart(const base::Closure& stop_callback,
                               const base::string16& helper_name);
   void NotifyScreenShareStop();
 
-  // Session length limit.
-  void AddSessionLengthLimitObserver(SessionLengthLimitObserver* observer);
-  void RemoveSessionLengthLimitObserver(SessionLengthLimitObserver* observer);
-  void NotifySessionStartTimeChanged();
-  void NotifySessionLengthLimitChanged();
-
   // Status area focus.
   void AddStatusAreaFocusObserver(StatusAreaFocusObserver* observer);
   void RemoveStatusAreaFocusObserver(StatusAreaFocusObserver* observer);
   void NotifyFocusOut(bool reverse);
 
   // Tracing.
   void AddTracingObserver(TracingObserver* observer);
   void RemoveTracingObserver(TracingObserver* observer);
   void NotifyTracingModeChanged(bool value);
 
   // Virtual keyboard.
   void AddVirtualKeyboardObserver(VirtualKeyboardObserver* observer);
   void RemoveVirtualKeyboardObserver(VirtualKeyboardObserver* observer);
   void NotifyVirtualKeyboardSuppressionChanged(bool suppressed);
 
  private:
   base::ObserverList<AccessibilityObserver> accessibility_observers_;
   base::ObserverList<BluetoothObserver> bluetooth_observers_;
   base::ObserverList<ClockObserver> clock_observers_;
   base::ObserverList<EnterpriseDomainObserver> enterprise_domain_observers_;
   base::ObserverList<IMEObserver> ime_observers_;
   base::ObserverList<LastWindowClosedObserver> last_window_closed_observers_;
   base::ObserverList<LogoutButtonObserver> logout_button_observers_;
   base::ObserverList<NetworkObserver> network_observers_;
   base::ObserverList<NetworkPortalDetectorObserver>
       network_portal_detector_observers_;
   base::ObserverList<ScreenCaptureObserver> screen_capture_observers_;
   base::ObserverList<ScreenShareObserver> screen_share_observers_;
-  base::ObserverList<SessionLengthLimitObserver>
-      session_length_limit_observers_;
   base::ObserverList<StatusAreaFocusObserver> status_area_focus_observers_;
   base::ObserverList<TracingObserver> tracing_observers_;
   base::ObserverList<VirtualKeyboardObserver> virtual_keyboard_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemTrayNotifier);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_NOTIFIER_H_